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%I
%S 3,7,31,127,8191,131071,524287,8388607
%N Numbers that are both Mersenne numbers (A001348) and lucky numbers (A000959).
%Y Cf. A000959, A001348.
%K nonn
%O 1,1
%A _Naohiro Nomoto_, Oct 09 2000
%E More terms from Mark Weston (mweston(AT)uvic.ca), Oct 10 2001
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